Home / 64,992,030.71-89,698,199.18-40,220,195.58

Finding the Fourth Proportional to 64,992,030.71, 89,698,199.18 and 40,220,195.58

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Solution

The fourth proportional to 64,992,030.71, 89,698,199.18 and 40,220,195.58 is: 55,509,561.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,992,030.71 : 89,698,199.18 = 40,220,195.58 : x
  2. Step 2: Convert to fraction form
    64,992,030.71/89,698,199.18 = 40,220,195.58/x
  3. Step 3: Cross multiply
    64,992,030.71x = 89,698,199.18 × 40,220,195.58
  4. Step 4: Simplify right side
    64,992,030.71x = 3,607,679,113,992,294.50
  5. Step 5: Solve for x
    x = 3,607,679,113,992,294.50/64,992,030.71
  6. Step 6: Final answer
    x = 55,509,561.32

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.